Huizhou TCL Mobile Communication Co. Ltd., TCT Mobile (US) Inc., and TCL Mobile Communication (HK) Co., Ltd.
Ex parte reexamination requester·4 ex parte reexams
Huizhou TCL Mobile Communication Co. Ltd., TCT Mobile (US) Inc., and TCL Mobile Communication (HK) Co., Ltd. has requested 4 USPTO ex parte reexaminations. It most often challenges patents owned by QUARTERHILL INC. and Wi-LAN, Inc.. ExamPat indexes the full prosecution record for each proceeding, including office-action grounds, certificate outcomes, and downstream PTAB and Federal Circuit decisions.
Filings by year
Top patent owners challenged
Outcome track record
How this requester's challenges resolve: claims confirmed, amended, mixed, or fully canceled.
- Certificate outcome split across every bucket
- Share of challenges that canceled claims
Challenge metrics
Cancellation rate, average pendency, and the open/closed split across every reexam this requester has filed.
- Outcome rate of closed challenges
- Average pendency in months
Examiners & defense counsel
Which examiners decide this requester's challenges, and which firms defend the targeted patents.
- Most frequent examiners
- Top opposing counsel
Recent reexaminations (4)
| Control # | Filed | Patent | Title | Owner | Status |
|---|---|---|---|---|---|
| 90/019,259 | Sep 26, 2023 | 8,259,688 | PRE-ALLOCATED RANDOM ACCESS IDENTIFIERS | QUARTERHILL INC. | Closed |
| 90/014,794 | Jul 2, 2021 | 8,259,688 | PRE-ALLOCATED RANDOM ACCESS IDENTIFERS | QUARTERHILL INC. | Closed |
| 90/014,588 | Oct 5, 2020 | 8,817,805 | APPARATUS, SYSTEM AND METHOD FOR THE TRANSMISSION OF DATA WITH DIFFERENT QOS ATTRIBUTES | Wi-LAN, Inc. | Closed |
| 90/014,587 | Oct 5, 2020 | 9,854,577 | MULTI-BAND CHANNEL AGGREGATION | QUARTERHILL INC. | Closed |
See the full reexam picture for Huizhou TCL Mobile Communication Co. Ltd., TCT Mobile (US) Inc., and TCL Mobile Communication (HK) Co., Ltd.
Certificate outcomes, pendency, and the parties and examiners behind these cases. Free to sign up.